CVE-2021-26621
Last modified
CVE-2021-26621 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() function.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.
Description
An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() function.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netu | Mex01 Firmware | < 1.9.18 |
References
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579Third Party Advisory
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26621?
How severe is CVE-2021-26621?
How do I fix CVE-2021-26621?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-26615ARK library allows attackers to execute remote code via the …8.8
- CVE-2021-26616An OS command injection was found in SecuwaySSL, when specia…9.8
- CVE-2021-26617This issues due to insufficient verification of the various …9.8
- CVE-2021-26618An improper input validation leading to arbitrary file creat…9.8
- CVE-2021-26619An path traversal vulnerability leading to delete arbitrary …9.1
- CVE-2021-26620An improper authentication vulnerability leading to informat…7.5
- CVE-2021-26622An remote code execution vulnerability due to SSTI vulnerabi…10
- CVE-2021-26623A remote code execution vulnerability due to incomplete chec…9.8
- CVE-2021-26624An local privilege escalation vulnerability due to a "runasr…8.8
- CVE-2021-26625Insufficient Verification of input Data leading to arbitrary…8.8
- CVE-2021-26626Improper input validation vulnerability in XPLATFORM's execB…8.8
- CVE-2021-26627Real-time image information exposure is caused by insufficie…7.5
Are you affected by CVE-2021-26621?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST